Flashcards
IT
Cards in this deck (13)
- 1What is a computer?It is an electronic device that processes it's a following as a set of instructions .
- 2What is dataData is raw facts and figures.
- 3What is information.Information is processed data
- 4What is hardware?Hardware is all the parts of the computer that you can see and touch.
- 5What is software?Software is a set of instructions that a computer needs to carry out its tasks
- 6State the stages of processing.Input>processing> output
- 7What are input devices used for?Input devices are used to get data and instructions into the computer.
- 8What does C.P.U. mean and what is it used for?C.P.U. means central processing unit.
It is the brain of the computer where all the processing takes place. - 9What does A.L.U. mean and what does it do?A.L.U. means Arithmetic Logic Unit and it performs all arithmetic and logic functions of the computer.
- 10What is the main the memory of a computer ?The main memory holds the instructions and data the computer is processing of the time .
- 11What are output devices ?Output devices information processed by the computer into a form which
the user can understand. - 12What is storage ?Storage refus to media and devices used by the computer to keep data and instructions available for immediate or later use .
- 13What are all input, output and external storage devices collectively called?Peripheral devices.
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- 1 I.T. Flashcards on IT, created by Luke Mohammed on 29/04/2016.
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- Luke Mohammed
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